Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 8137080 | Compressor assembly comprising a valve unit in the intake region An air compressor assembly includes a compressor housing, an intake port defined by the compressor housing for intake of the air, and a plurality of guide contours disposed adjacent to the intake port. The guide contours include between three and six strips. A valve... | 03/20/2012 |
| 8092196 | Structure for supporting a sleeve member in automatic transmission A sleeve supporting structure for an automatic transmission, including a sleeve member disposed on a radial outside of an input shaft, a rotational shaft portion disposed in a motor, an oil pump housing, and a stationary member supporting an outer circumferential su... | 01/10/2012 |
| 7942649 | Electrically driven pump unit An electrical driven pump unit having two hydraulic pumps and two electric motors that are fitted in such a way as to make it possible to obtain the unit's power by adding together the power of the two motors. ... | 05/17/2011 |
| 7695254 | Electric pump with coupled pressed members A pump case of an electric pump is constructed by coupling a first pressed member formed with a cylindrical part for holding a first rolling ball bearing rotatably supporting a rotary shaft, and a second pressed member formed with a recess for receiving an inner rot... | 04/13/2010 |
| 7413419 | Water-injected screw compressor The invention relates to a water-injected screw compressor, comprising a compressor element (2) with a housing (7) which borders a compression chamber (8) in which two rotors (9, 10) are installed, which, by means of an axle ends (13, ... | 08/19/2008 |
| 7413416 | Progressing cavity pump This progressing cavity pump includes a helical rotor (2) mounted to turn inside a helical stator (3). The stator (3) and the rotor (2) are disposed such that the cavities (4) formed therebetween move from the inlet (5) towa... | 08/19/2008 |
| 7410346 | Oil pump An oil pump includes a partition for dividing an outlet port into a first passage section on the upstream side and a second passage section on the downstream side, wherein a discharge passage fluidly communicates with the first passage section, and a relief valve is... | 08/12/2008 |
| 7381036 | Motor-pump unit A motor-pump unit is provided that has at least two internal gearwheel pumps axially aligned that are driven off of the rotor of the electric motor. The rotor of the electric motor is U-shaped and is concentrically disposed about the pump. The web of the U-shape is ... | 06/03/2008 |
| 7338266 | Screw pump and method of operating the same A screw pump includes a pair of screw rotors (2a, 2b) having teeth which are held in mesh with each other for drawing and discharging a fluid by rotating the screw rotors (2a, 2b) synchronously in opposite dire... | 03/04/2008 |
| 7314352 | Electric pump An electric pump comprises a case in which a core being enwound by a coil is embedded, a permanent magnet formed in a cylindrical shape, having a central axis being identical to that of the core, and positioned so as to face an inner peripheral side of the core, an ... | 01/01/2008 |
| 7309218 | Gear pump A pump suitable for use with contamination-sensitive fluids such as food products or pharmaceutical fluids includes an outer casing containing an internal cavity, the outer casing having an enlarged opening on one end, a second opening on an opposite end, a first in... | 12/18/2007 |
| 7287970 | Roots compressor A roots compressor has a housing, a rotary shaft, a rotor and a layer. The housing defines a pump chamber, a suction port and a discharge port. The suction port and the discharge port adjoin to the pump chamber. The rotary shaft is rotatably supported by the housing... | 10/30/2007 |
| 7267532 | Offset-drive magnetically driven gear-pump heads and gear pumps comprising same Magnetically driven gear-pump heads and pumps are disclosed. An exemplary gear-pump head includes a housing, a magnet cup, a pump driving gear, and a pump driven gear. The housing has a pump axis and defines a pump cavity. The magnet cup extends along the pump axis ... | 09/11/2007 |
| 7217106 | Electro-hydraulic power steering apparatus An electro-hydraulic power steering apparatus includes: a motor having a rotational shaft and provided with a bearing for rotatably bearing the rotational shaft; a hydraulic pump disposed at one end of the rotational shaft of the motor and driven by the motor; a fir... | 05/15/2007 |
| 7156623 | Electric oil pump apparatus An electric oil pump apparatus includes a pump housing a drive side communicating portion, a motor housing having a pump side communicating portion communicating with the drive side communicating portion, a bearing portion arranged at one of the drive side communica... | 01/02/2007 |
| 7118353 | Fluid transport system and method therefor A reduced pressure or pressurizing pump is provided which can be used in a wide variety of fields of foods, pharmaceuticals, medical treatment, agriculture, healthcare equipment, room air conditioning, combustion, biotechnology, and so on. By the application of the ... | 10/10/2006 |
| 7074018 | Direct drive linear flow blood pump A ventricular assistive device (VAD) based on a progressive cavity pump includes a pump housing having an inlet and an outlet, a pump stator contained within the pump housing, a pump rotor rotatably disposed within the pump stator, a motor including a motor rotor co... | 07/11/2006 |
| 7074058 | Steel fuel flange with plastic strut mounts A method of coupling a metal strut 14 to a metal flange 10 of a fuel supply unit is provided. The method provides a metal flange 10 having a plurality of tabs 46 coupled to and extending from a bottom surface of the flange 10. A pl... | 07/11/2006 |
| 7070402 | Integrated speed reducer and pump assembly An integrated speed reducer and gerotor pump is disclosed. The device comprises a motor, a speed reducer, and a gerotor pump. The motor provides torque at an elevated speed. The speed reducer is coupled with the motor and converts the torque at an elevated speed int... | 07/04/2006 |
| 7052252 | Port configuration for fuel pump unit for facilitating pressure feedback An oil pump unit includes an additional outlet port connected to the downstream side of the pump through the pump cover. With this additional port, the oil pump unit is able to have electronic vacuum and pressure sensors upstream and downstream of the pump for remot... | 05/30/2006 |
| 7040875 | Refrigerant pump with rotors in bearing A refrigerant pump includes a thin-walled hermetic vessel and a thick-walled hermetic vessel having an end inserted into and secured to an end of the thin-walled hermetic vessel. A stator of an electric motor unit is fitted outside the thin-walled hermetic vessel, w... | 05/09/2006 |
| 7040870 | Gear pump with gears having curved teeth and method of feeding elastomeric material A gear pump and method for pumping elastomeric material having two gears with meshing herringbone gear teeth. Each of the gear teeth has helical side portions and a curved central portion which extends circumferentially of the gear a distance equal to at least one h... | 05/09/2006 |
| 6969242 | Compressor To counter downstream oil infiltration through a shaft seal, a small portion of the compressed fluid is diverted from downstream to upstream through a passageway in a rotor. The diverted fluid is introduced to a space at a downstream side of the seal. An exemplary i... | 11/29/2005 |
| 6964559 | Two shaft vacuum pump with cantilevered rotors A vacuum pump (1) comprising a pump chamber casing (5) accommodating two co-operating rotors (2, 3) which are respectively arranged on a shaft (8, 9). A bearing/gear chamber (6) is disposed adjacent to the pump chamber casing (5... | 11/15/2005 |
| 6948914 | Metering pump with an electric motor The metering pump comprises a synchronous motor which is stepped down via a mechanical gear and the rotation movement of the motor is converted into a stroke movement which drives the membrane pump. To the motor there is allocated an electronic control which may be ... | 09/27/2005 |
| 6948919 | Hermetic motor and gas booster A fuel booster operable to compress a combustible fuel, the fuel booster comprising a compressor housing a compress rotor, and a seal assembly coupled to the compressor housing. The seal assembly and the compressor housing cooperate to at least partially define a he... | 09/27/2005 |
| 6948915 | Oil free screw compressor A screw compressor includes a compressor main body, a male rotor having a screw-like male tooth shape and a female rotor having a screw-like female tooth shape meshing with the screw-like male tooth shape or the male rotor. The male and female motors are provided wi... | 09/27/2005 |
| 6945763 | Geared pump with forced lubricated coupling A geared feed pump has a housing having a pump chamber in which a rotationally driven pair of gear wheels meshing with one another is disposed for pumping medium out of a suction chamber that communicates with a supply tank, along feed conduits, formed between the c... | 09/20/2005 |
| 6923180 | Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage An apparatus and process for supplying low pressure oxygen-enriched gas to a patient and at a moderate pressure to a radial compressor, whereupon it is compressed and fed to a high pressure storage tank. The oxygen-enriched gas is prioritized so that it is continuou... | 08/02/2005 |
| 6918749 | Compressor with aluminum housing and at least one aluminum rotor The compressor has two rotors (14, 16), which are rotatably mounted in a housing (10) by means of a shaft each, the rotors (14, 16) rotating without contact with the housing. The rotors (14, 16) consist of a powder-metallurgical Al—Si a... | 07/19/2005 |
| 6902380 | Vacuum pump with pump rotor pairs and permanent magnet motor A vacuum pump has a casing having an inlet port and an outlet port, and a pair of confronting pump rotors which are provided inside the casing and synchronously rotatable for drawing in a gas from the inlet port and discharging the gas from the outlet port. A motor ... | 06/07/2005 |
| 6857860 | Metering pump for liquid products The invention concerns a metering gear pump comprising a set of gears supported and guided solely by the inner peripheral surface of the lobe of the chamber wherein they are housed. They do not comprise any shaft to act as support or guide, thereby enabling to reduc... | 02/22/2005 |
| 6848891 | Screw compressor having bearings for the drive shaft of the compressor screw and the motor The present invention provides an improved refrigerant compressor comprising an overall casing, an electric motor with a stator and a rotor which is mounted on a drive shaft, and a screw compressor. A compressor screw of the screw compressor is mounted on the drive ... | 02/01/2005 |
| 6817844 | Rotary blower with forced external air cooling A rotary blower with forced external air cooling having multiple interconnected and synchronized parallel multi-lobe rotors with the same number of straight lobes for propelling flow from a suction port to a discharge port of an inner casing without internal compres... | 11/16/2004 |
| 6776586 | Multi-stage vacuum pump The present invention provides a multi-stage vacuum pump which includes: a housing in which a plurality of pumping chambers are formed, the pumping chambers being arranged in series and being in fluid communication with one another, one of the pumping chambers which... | 08/17/2004 |
| 6761542 | Multishaft electric motor and positive-displacement pump combined with such multishaft electric motor A multishaft electric motor has a plurality of juxtaposed rotors having respective permanent magnets disposed therearound, and a plurality of sets of armature elements disposed fully circumferentially around the rotors, respectively, the permanent magnets of adjacen... | 07/13/2004 |
| 6733249 | Multi-stage internal gear fuel pump A multi-stage internal gear fuel pump for a vehicle includes a housing having an inlet and an outlet and a motor disposed in the housing. The multi-stage internal gear fuel pump also includes a shaft extending axially and disposed in the housing for rotation by the ... | 05/11/2004 |
| 6726065 | Modular automatic colorant dispenser An automatic colorant dispenser having a compact modular design incorporating simply installed, precision stepper-motor driven, colorant pump modules, specifically designed to provide maximum abrasion resistance using advanced aerospace technologies plus exceptional... | 04/27/2004 |
| 6666661 | Screw compressor having bearings for the drive shaft of the compressor screw and the motor In order to improve a refrigerant compressor comprising an overall casing, an electric motor disposed in the overall casing with a stator and a rotor which is mounted on a drive shaft, and also a screw compressor disposed in the overall casing, one compre... | 12/23/2003 |
| 6659728 | Liquid dispensing pump system An internal gear pump including a stepper motor coupled to a drive shaft that is coupled to a rotor and meshed with an idler is disclosed. A controller is linked to the stepper motor. The stepper motor imparts a stepped rotational movement to the drive sh... | 12/09/2003 |
